HEWI |
17
FAQ | NZP
Cause
Remedy
Water doesn’t stop flowing!
Solenoid valve is defective.
Replace solenoid valve.
Disturbing objects within the detection range.
Remove objects from detection range.
Electronic module is defective.
Replace electronic module.
Wrong sensor mode (continuous running).
Change sensor Modus mode or cancel continuous
running.
Water system pressure is too high.
Check water system pressure, set water system
pressure to 0.5 - 8.0 bar.
Water begins to flow by itself!
Sensor window is scratched / dirty.
Clean sensor window.
The fitting is disrupted by influences in the room
(mirrors, metal surfaces, glass washbasins, etc.).
Reduce range.
Fitting leaks, water escapes!
Leak in water system, defective seals.
Check the joints in the water system, replace
defective seals.
Water drips out of the water system, solenoid
valve does not close correctly.
Clean or replace solenoid valve.
Temperature cannot be set correctly!
No or insufficient hot or cold water. Corner valves
are not fully open.
Open corner valves fully.
Filter in water supply is blocked / dirty.
Clean or replace filter.
Water temperature is too low or too high.
Check water system or boiler temperature.
Water temperature is too low or too high (designs
with internal mixer).
Set internal mixer.
